答复: 答复: [PATCH] ALSA: usb-audio: Add delay quirk for USB Audio Device

[胡连勤]

Hello linux kernel expert:


> > > >
> > > > From: Lianqin Hu <hulianqin@xxxxxxxx>
> > > >
> > > > Audio control requests that sets sampling frequency sometimes fail
> > > > on this card. Adding delay between control messages eliminates that
> problem.
> > > >
> > > > Signed-off-by: Lianqin Hu <hulianqin@xxxxxxxx>
> > >
> > > Could you give a bit more specific name / model to both the subject
> > > and the quirk comment?  Then it'd be more helpful for people who
> > > read / check the changes later.
> >
> > We used this sound card to connect to the phone, and only saw the
> following information in the log, without specific sound card model
> information:
> >
> > usb 1-1: New USB device found, idVendor=0d8c, idProduct=0014,
> > bcdDevice= 1.00 usb 1-1: New USB device strings: Mfr=1, Product=2,
> > SerialNumber=0 usb 1-1: Product: USB Audio Device usb 1-1:
> > Manufacturer: C-Media Electronics Inc.
> > usb 1-1: usb_probe_device
> >
> > We currently do not have an effective way to obtain the detailed model of
> this sound card. We are very sorry.
> 
> Well, you can put such info in the patch description.  It's already helpful to
> know whether it's an an unknown / unnamed product.

OK, I will modify it and send a new patch.

Thanks